Gas Block Roll Pin

…quality standards the GB750-S is designed to fit .750 diameter gas pad barrels and uses a 2 set screw design to securely retain the block in position. Comes complete with, #10-32 X .125'' set screws and gas tube rollpin. Places the gas port hole at the correct .295'' position from the shoulder. *…

The Ergo 4822 .750 Adjustable GasBlock is designed to fit under the Ergo Modular and SuperLite Rail System, as well as most other manufacturer’s free float handguards. The gasblock allows the user to variably fine tune their rifle’s gas system down to full shutoff. Adjustments are made via a 10-32…